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| Rev | Author | Line No. | Line |
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| 999 | runge | 1 | /*************************************************************************** |
| 2 | * Copyright (C) January 5, 2009 by Mattias Runge * |
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| 3 | * mattias@runge.se * |
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| 4 | * singleton.h * |
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| 5 | * * |
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| 6 | * This program is free software; you can redistribute it and/or modify * |
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| 7 | * it under the terms of the GNU General Public License as published by * |
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| 8 | * the Free Software Foundation; either version 2 of the License, or * |
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| 9 | * (at your option) any later version. * |
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| 10 | * * |
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| 11 | * This program is distributed in the hope that it will be useful, * |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 14 | * GNU General Public License for more details. * |
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| 15 | * * |
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| 16 | * You should have received a copy of the GNU General Public License * |
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| 17 | * along with this program; if not, write to the * |
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| 18 | * Free Software Foundation, Inc., * |
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| 19 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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| 20 | ***************************************************************************/ |
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| 21 | |||
| 22 | #ifndef _SINGLETON_H |
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| 23 | #define _SINGLETON_H |
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| 24 | |||
| 25 | #include <stdlib.h> |
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| 26 | |||
| 27 | template <class T> |
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| 28 | class Singleton |
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| 29 | { |
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| 30 | public: |
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| 31 | static T& getInstance() |
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| 32 | { |
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| 33 | if (myInstance == NULL) |
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| 34 | { |
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| 35 | myInstance = new T(); |
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| 36 | } |
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| 37 | |||
| 38 | return *myInstance; |
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| 39 | } |
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| 40 | |||
| 41 | static void deleteInstance() |
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| 42 | { |
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| 43 | if (myInstance != NULL) |
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| 44 | { |
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| 45 | delete myInstance; |
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| 46 | myInstance = NULL; |
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| 47 | } |
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| 48 | } |
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| 49 | |||
| 50 | protected: |
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| 51 | Singleton(); |
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| 52 | ~Singleton(); |
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| 53 | static T* myInstance; |
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| 54 | }; |
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| 55 | |||
| 56 | #endif /* _SINGLETON_H */ |
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| 57 |